name: Verify Docker Compose Files

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  lint-docker-compose:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Install Docker Compose
        run: |
          sudo apt-get update
          sudo apt-get install -y docker-compose

      - name: Lint all docker-compose files
        run: |
          find . -name 'docker-compose.yml' -exec docker-compose -f {} config --quiet \;